Within the light gray area form eight common 6-letter English words vertically. Then form an 8-letter word in the yellow spaces at the top using only one letter from the three letters just below each one in the top half of the gray area. Then form a second 8-letter word in the yellow spaces at the bottom, and in this case for each position use only one letter from among the three immediately above each in the bottom half of the gray area.

The title is a clue to the two 8-letter words.

F

B

F

E

P

U

D

N

F

B

R

Z

R

P

R

B

I

C

C

C

U

E

E

B

From Mensa Puzzle Calendar 2018 by Fraser Simpson, Workman Publishing, New York. Puzzle for October 1.